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genre: choral
genre: classical
description: Elisabeth Kulman (born 28 June 1973) is an Austrian classical singer who has performed operatic roles in soprano, mezzo-soprano and contralto repertory. She has appeared at opera houses in Vienna and
popularity: 19
followers: 373
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T21:38:09Z
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album: Verdi: Un ballo in maschera
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  date published: 2023-06-30
  track: Un ballo in mashcera, Act 3: Ella è pura
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    by artist: Giuseppe Verdi
    by artist: Orchestre Philharmonique de Monte-Carlo
    by artist: Marek Janowski
    by artist: Freddie De Tommaso
    by artist: Saioa Hernández
    by artist: Annika Gerhards
    by artist: Lester Lynch
    by artist: Transylvania State Philharmonic Choir
    by artist: Kevin Short
    in album: Verdi: Un ballo in maschera
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      date published: 2023-06-30
    genre: classical
    genre: opera
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
    audio: Un ballo in mashcera, Act 3: Ella è pura
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album: Mahler: Symphony No. 2
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  date published: 2023-04-07
  track: Symphony No. 2 in C Minor "Resurrection": I. Allegro maestoso. Mit durchaus ernstem und feierlichem Ausdruck
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:55:08Z
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  track: Symphony No. 2 in C Minor "Resurrection": II. Andante moderato. Sehr gemaechlich
  track: Symphony No. 2 in C Minor "Resurrection": III. In ruhig fliessender Bewegung
  track: Symphony No. 2 in C Minor "Resurrection": IV. "Urlicht". Sehr feierlich aber schlicht
  track: Symphony No. 2 in C Minor "Resurrection": Va. Im Tempo des Scherzos. Wild herausfahrend - Maestoso. Sehr zuruckhaltend
  track: Symphony No. 2 in C Minor "Resurrection": Vb. "Aufersteh'n, ja aufersteh'n wirst du". Langsam, misterioso - "O glaube, mein Herz, o glaube". Etwas bewegter
album: Beethoven: Missa solemnis, Op. 123 (Live)
album: Dvorák: Stabat Mater, Op.58, B.71
album: Beethoven: Symphony No. 9
album: Strauss: Die Fledermaus
album: Puccini: Madama Butterfly
album: Gloria: Highlights of Sacred Choral Music
album: Nikolaus Harnoncourt Conducts Sacred Masterworks
album: At Home with Beethoven
album: Beethoven: Missa Solemnis in D Major, Op. 123
album: Bernard Haitink: Portrait (Live)
album: Wagner: Die Walküre, WWV 86B (Live)
album: Best of BRSO (Live)
album: Schumann, Schubert & Reiter: Lieder
album: Wagner: Das Rheingold, WWV 86A (Live)
album: frauen . leben . liebe
album: Wer wagt mich zu höhnen?
album: Mahler Lieder
album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
album: Mozart: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr) [Live]
album: Sommer: Orchestral Songs
album: Mussorgsky Dis-Covered
album: LISZT - ROOTS & ROUTES
album: Beethoven: Missa solemnis, Op. 123
album: Mahler: Symphony No. 2 in C Minor "Resurrection" (Live)
album: Beethoven: Missa Solemnis in D Major, Op. 123/IV. Sanctus/Sanctus

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by artist: Czech Philharmonic
by artist: Semyon Bychkov
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  date published: 2023-04-07
genre: classical
genre: orchestra
genre: orchestral
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 2 in C Minor "Resurrection": II. Andante moderato. Sehr gemaechlich
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Symphony No. 2 in C Minor "Resurrection": III. In ruhig fliessender Bewegung
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by artist: Semyon Bychkov
in album: Mahler: Symphony No. 2
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genre: classical
genre: orchestra
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:30:20Z
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Symphony No. 2 in C Minor "Resurrection": IV. "Urlicht". Sehr feierlich aber schlicht
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duration: PT5M29S
duration ms: 329280
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by artist: Gustav Mahler
by artist: Czech Philharmonic
by artist: Semyon Bychkov
by artist: Elisabeth Kulman
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genre: classical
genre: orchestra
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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by artist: Czech Philharmonic
by artist: Semyon Bychkov
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genre: classical
genre: orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T14:03:35Z
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by artist: Gustav Mahler
by artist: Czech Philharmonic
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by artist: Christiane Karg
by artist: Elisabeth Kulman
by artist: Prague Philharmonic Choir
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genre: classical
genre: orchestra
genre: orchestral
isrc code: NLE422108006
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
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Beethoven: Missa solemnis, Op. 123 (Live)
type: MusicAlbum
date published: 2017-06-02

Dvorák: Stabat Mater, Op.58, B.71
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  by artist: Czech Philharmonic
  by artist: Jiří Bělohlávek
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  genre: late-romantic-era
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-29T14:28:24Z
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track: Stabat Mater, Op. 58, B.71: 2. "Quis est homo, qui non fleret"
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-29T15:38:18Z
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track: Stabat Mater, Op. 58, B.71: 3. "Eia mater, fons amoris"
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  additional property: OTSVerificationAPI
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  subject of: OpenTimestamps Proof of Existence
  audio: Stabat Mater, Op. 58, B.71: 3. "Eia mater, fons amoris"
track: Stabat Mater, Op. 58, B.71: 4. "Fac ut ardeat cor meum"
track: Stabat Mater, Op. 58, B.71: 5. "Tui nati vulnerati"
track: Stabat Mater, Op. 58, B.71: 6. "Fac me vere tecum flere"
track: Stabat Mater, Op. 58, B.71: 7. "Virgo virginum praeclara"
track: Stabat Mater, Op. 58, B.71: 8. "Fac ut portem Christi mortem"
track: Stabat Mater, Op. 58, B.71: 9. "Inflammatus et accensus"
track: Stabat Mater, Op. 58, B.71: 10. "Quando corpus morietur"

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0608ea930b9d7813d5ad7b8b286f6de5b5f82da66d60e835a65df2ea04baa59. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640303 — a six-check JSON result.
date published: 2026-07-30T02:37:10Z

Stabat Mater, Op. 58, B.71: 3. "Eia mater, fons amoris"
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Stabat Mater, Op. 58, B.71: 4. "Fac ut ardeat cor meum"
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
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Stabat Mater, Op. 58, B.71: 5. "Tui nati vulnerati"
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duration: PT4M51S
duration ms: 291739
explicit: false
by artist: Antonín Dvořák
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
  type: MusicAlbum
  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640305
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0accd10601fe959c1f176589d8cd1910898d30a7af3dfdecdd143950e60b519. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640305 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Stabat Mater, Op. 58, B.71: 5. "Tui nati vulnerati"
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Stabat Mater, Op. 58, B.71: 6. "Fac me vere tecum flere"
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duration: PT5M50S
duration ms: 350385
explicit: false
by artist: Antonín Dvořák
by artist: Michael Spyres
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
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  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640306
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T12:06:10Z
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Stabat Mater, Op. 58, B.71: 7. "Virgo virginum praeclara"
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duration: PT6M45S
duration ms: 405979
explicit: false
by artist: Antonín Dvořák
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
  type: MusicAlbum
  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640307
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0617b6f3d6919041eea0a9c4c94c696206b0648fb771face30d22ea4fe219e0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640307 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater, Op. 58, B.71: 7. "Virgo virginum praeclara"
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Stabat Mater, Op. 58, B.71: 8. "Fac ut portem Christi mortem"
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duration: PT5M8S
duration ms: 308303
explicit: false
by artist: Antonín Dvořák
by artist: Eri Nakamura
by artist: Michael Spyres
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
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  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640308
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b12f16242d1b4958550402891a8aca2a4456d0e5b78eef28198aac46094896e. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640308 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: Stabat Mater, Op. 58, B.71: 8. "Fac ut portem Christi mortem"
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Stabat Mater, Op. 58, B.71: 9. "Inflammatus et accensus"
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duration: PT6M2S
duration ms: 362492
explicit: false
by artist: Antonín Dvořák
by artist: Elisabeth Kulman
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
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  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640309
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66ecb366265db7f12f138ab1033ee2b0a58675134e92e2f536498de7d0d45d4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640309 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater, Op. 58, B.71: 9. "Inflammatus et accensus"
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Stabat Mater, Op. 58, B.71: 10. "Quando corpus morietur"
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duration ms: 485613
explicit: false
by artist: Antonín Dvořák
by artist: Eri Nakamura
by artist: Elisabeth Kulman
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by artist: Jongmin Park
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Stabat Mater, Op.58, B.71
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  date published: 2017-05-05
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071640310
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0b2f32980adcf6c4c745a5ce2569f005eb86db0514c62c652f2e1486d63cd7. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071640310 — a six-check JSON result.
  date published: 2026-07-30T07:28:30Z
audio: Stabat Mater, Op. 58, B.71: 10. "Quando corpus morietur"
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Beethoven: Symphony No. 9
type: MusicAlbum
date published: 2020-12-04

Strauss: Die Fledermaus
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date published: 2018-11-01
track: Die Fledermaus, Act I: Overture
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fece77942678b0ad19a03963b6e6c964cd468cf6a0868079344082beb57beb1. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803601 — a six-check JSON result.
    date published: 2026-07-29T21:57:12Z
  audio: Die Fledermaus, Act I: Overture
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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Puccini: Madama Butterfly
type: MusicAlbum
date published: 2021-11-19
track: Madama Butterfly, SC 74, Act I: E soffitto… e pareti…
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142480
  explicit: false
  by artist: Giacomo Puccini
  by artist: Lawrence Foster
  by artist: Orquestra Gulbenkian
  by artist: Stefano Secco
  by artist: Alexander Kaimbacher
  in album: Puccini: Madama Butterfly
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: NLE421805601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960441
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T17:29:52Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c620b5f23956959419e4f3056c8edd6358aec7028dddcbe7794339b93cd3cf. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805601 — a six-check JSON result.
    date published: 2026-07-31T17:29:52Z
  audio: Madama Butterfly, SC 74, Act I: E soffitto… e pareti…
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -22.327
    additional property: Key Name
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track: Madama Butterfly, SC 74, Act II: Coro a bocca chiusa (Humming Chorus)
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167132
  explicit: false
  by artist: Giacomo Puccini
  by artist: Lawrence Foster
  by artist: Orquestra Gulbenkian
  by artist: Coro Gulbenkian
  in album: Puccini: Madama Butterfly
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: NLE421805627
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805627
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x417218d6b00c61faabde774223070068413c66fb80f267e6196ba6f6618139da. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805627 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Madama Butterfly, SC 74, Act II: Coro a bocca chiusa (Humming Chorus)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Madama Butterfly, SC 74, Act II: Un bel dì, vedremo
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278133
  explicit: false
  by artist: Giacomo Puccini
  by artist: Lawrence Foster
  by artist: Orquestra Gulbenkian
  by artist: Melody Moore
  in album: Puccini: Madama Butterfly
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: NLE421805615
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Madama Butterfly, SC 74, Act II: Un bel dì, vedremo

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960258

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960258

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805615

OTSTimestamp
type: PropertyValue
value: 2026-07-30T12:45:34Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d8be8e22d72d5a2cab7040d49cde80ae98d0a8b6a2cd7056950d56773e876f. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805615 — a six-check JSON result.
date published: 2026-07-30T12:45:34Z

Madama Butterfly, SC 74, Act II: Un bel dì, vedremo
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.263
additional property: Energy
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  value: 0.088
additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Gloria: Highlights of Sacred Choral Music
type: MusicAlbum
date published: 2017-02-17

Nikolaus Harnoncourt Conducts Sacred Masterworks
type: MusicAlbum
date published: 2004
track: Weihnachtsoratorium, BWV 248: Part I: For the First Day of Christmas: 1. Chorus: Jauchzet, frohlocket
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  duration: PT7M58S
  duration ms: 478653
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nikolaus Harnoncourt
  by artist: Concentus Musicus Wien
  by artist: Arnold Schoenberg Chor
  in album: Nikolaus Harnoncourt Conducts Sacred Masterworks
    type: MusicAlbum
    date published: 2004
  popularity: 2
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: USBC10700452
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x1603fe735ec60bf32984172fa814f4bb32cfbcbc76404cd47fe0ef90960f708e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10700452
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1603fe735ec60bf32984172fa814f4bb32cfbcbc76404cd47fe0ef90960f708e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10700452 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Weihnachtsoratorium, BWV 248: Part I: For the First Day of Christmas: 1. Chorus: Jauchzet, frohlocket
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: C#
    additional property: Mode Name
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track: Weihnachtsoratorium, BWV 248: Part II: For the Second Day of Christmas: 10. Sinfonia
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317506
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nikolaus Harnoncourt
  by artist: Concentus Musicus Wien
  in album: Nikolaus Harnoncourt Conducts Sacred Masterworks
    type: MusicAlbum
    date published: 2004
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: USBC10700462
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cff4565396077385d3414b6119c79216c125d72eca970affd29660a4ae11ea0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960418
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960418
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10700462
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cff4565396077385d3414b6119c79216c125d72eca970affd29660a4ae11ea0. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10700462 — a six-check JSON result.
    date published: 2026-07-31T15:20:15Z
  audio: Weihnachtsoratorium, BWV 248: Part II: For the Second Day of Christmas: 10. Sinfonia
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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At Home with Beethoven
type: MusicAlbum
date published: 2020-04-04
track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
  type: MusicRecording
  duration: PT6M41S
  duration ms: 401960
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  by artist: Ludwig van Beethoven
  by artist: Teodor Currentzis
  by artist: musicAeterna
  in album: At Home with Beethoven
    type: MusicAlbum
    date published: 2020-04-04
  popularity: 3
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: USSM12000665
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T04:41:43+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x37a423d07366e707877de8a98e3828b5dfcdb6fbf737615c166daa748a2c864a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12000665
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37a423d07366e707877de8a98e3828b5dfcdb6fbf737615c166daa748a2c864a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12000665 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    date published: 2026-07-08T03:20:19Z
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track: Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile
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  subject of: OpenTimestamps Proof of Existence
  audio: Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile
track: Beethoven's 5 Secrets
track: Moonlight
track: These Days
track: Symphony No. 8 in F Major, Op. 93: IV. Allegro vivace

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Piano Sonata No. 8 in C minor, Op. 13, "Pathétique": II. Adagio cantabile
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Beethoven's 5 Secrets
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by artist: Al van der Beek
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by artist: John Nelson
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popularity: 28
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Moonlight
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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These Days
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 8 in F Major, Op. 93: IV. Allegro vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:39:12Z
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Beethoven: Missa Solemnis in D Major, Op. 123
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  audio: Missa Solemnis in D Major, Op. 123: II. Gloria: Qui tollis
track: Missa Solemnis in D Major, Op. 123: II. Gloria: Quoniam
track: Missa Solemnis in D Major, Op. 123: III. Credo: Credo
track: Missa Solemnis in D Major, Op. 123: III. Credo: Et incarnatus est
track: Missa Solemnis in D Major, Op. 123: III. Credo: Et resurrexit
track: Missa Solemnis in D Major, Op. 123: IV. Sanctus: Sanctus
track: Missa Solemnis in D Major, Op. 123: IV. Sanctus: Praeludium - Benedictus
track: Missa Solemnis in D Major, Op. 123: V. Agnus Dei: Agnus Dei
track: Missa Solemnis in D Major, Op. 123: V. Agnus Dei: Dona nobis pacem

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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Missa Solemnis in D Major, Op. 123: III. Credo: Et resurrexit
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Missa Solemnis in D Major, Op. 123: IV. Sanctus: Sanctus
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by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
by artist: Laura Aikin
by artist: Johannes Chum
by artist: Ruben Drole
by artist: Bernarda Fink
by artist: Elisabeth Kulman
in album: Beethoven: Missa Solemnis in D Major, Op. 123
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Missa Solemnis in D Major, Op. 123: IV. Sanctus: Praeludium - Benedictus
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by artist: Ludwig van Beethoven
by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
by artist: Laura Aikin
by artist: Johannes Chum
by artist: Ruben Drole
by artist: Arnold Schoenberg Chor
by artist: Bernarda Fink
by artist: Elisabeth Kulman
in album: Beethoven: Missa Solemnis in D Major, Op. 123
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  date published: 2016-06-03
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T07:19:23Z
audio: Missa Solemnis in D Major, Op. 123: IV. Sanctus: Praeludium - Benedictus
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Missa Solemnis in D Major, Op. 123: V. Agnus Dei: Agnus Dei
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by artist: Ludwig van Beethoven
by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
by artist: Laura Aikin
by artist: Johannes Chum
by artist: Ruben Drole
by artist: Arnold Schoenberg Chor
by artist: Bernarda Fink
by artist: Elisabeth Kulman
in album: Beethoven: Missa Solemnis in D Major, Op. 123
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c21afb93f5444b4e4ee420bbd9cd6a7c7ad37d31bb0b7df0312b82d5d0316ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11603165 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
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Missa Solemnis in D Major, Op. 123: V. Agnus Dei: Dona nobis pacem
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by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
by artist: Laura Aikin
by artist: Johannes Chum
by artist: Ruben Drole
by artist: Arnold Schoenberg Chor
by artist: Bernarda Fink
by artist: Elisabeth Kulman
in album: Beethoven: Missa Solemnis in D Major, Op. 123
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Bernard Haitink: Portrait (Live)
type: MusicAlbum
date published: 2019-02-01

Wagner: Die Walküre, WWV 86B (Live)
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date published: 2020-04-03

Best of BRSO (Live)
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date published: 2024-04-05
track: The Planets, Op. 32, H. 125: III. Mercury, the Winged Messenger
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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track: Missa solemnis, Op. 123: I. Kyrie - Live
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e338fc9c40965447ca573f3ddaea860d4d5c765128ead87ccc10726da63029. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71513001 — a six-check JSON result.
    date published: 2026-07-31T15:20:33Z
  audio: Missa solemnis, Op. 123: I. Kyrie - Live
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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Schumann, Schubert & Reiter: Lieder
type: MusicAlbum
date published: 2018-11-09

Wagner: Das Rheingold, WWV 86A (Live)
type: MusicAlbum
date published: 2015-11-06

frauen . leben . liebe
type: MusicAlbum
date published: 2014-05-21

Wer wagt mich zu höhnen?
type: MusicAlbum
date published: 2014

Mahler Lieder
type: MusicAlbum
date published: 2009-10-09

Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
type: MusicAlbum
date published: 2017-09-08
track: Symphony No. 1 in D Major "Titan": I. Langsam. Schleppend - Im Anfang sehr gemächlich
  type: MusicRecording
  duration: PT15M42S
  duration ms: 942746
  explicit: false
  by artist: Gustav Mahler
  by artist: SWR Symphony Orchestra
  by artist: Michael Gielen
  in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
    type: MusicAlbum
    date published: 2017-09-08
  genre: classical
  genre: orchestra
  genre: orchestral
  isrc code: DEA550205851
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:54:42+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x238a0ec7dccba0c8c58f443be7cd553f480b1ef5eaf11b8a254a8cb1796e29ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA550205851
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x238a0ec7dccba0c8c58f443be7cd553f480b1ef5eaf11b8a254a8cb1796e29ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA550205851 — a six-check JSON result.
    date published: 2026-07-08T03:53:27Z
  audio: Symphony No. 1 in D Major "Titan": I. Langsam. Schleppend - Im Anfang sehr gemächlich
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Symphony No. 2 in C Minor "Resurrection": II. Andante moderato
  type: MusicRecording
  duration: PT10M17S
  duration ms: 617733
  explicit: false
  by artist: Gustav Mahler
  by artist: Europe Choir Academy
  by artist: SWR Symphony Orchestra
  by artist: Michael Gielen
  in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
    type: MusicAlbum
    date published: 2017-09-08
  genre: classical
  genre: orchestra
  genre: orchestral
  isrc code: DEA559606681
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xb333360b52999759077c151118071a44ece4ac2fd51766dfe9319130d2afa65d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606681
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb333360b52999759077c151118071a44ece4ac2fd51766dfe9319130d2afa65d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606681 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 2 in C Minor "Resurrection": II. Andante moderato
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Mode Name
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track: Symphony No. 3 in D Minor: I. Kräftig. Entschieden
  type: MusicRecording
  duration: PT35M26S
  duration ms: 2126426
  explicit: false
  by artist: Gustav Mahler
  by artist: Franck Pulcini
  by artist: Europe Choir Academy
  by artist: Freiburg Cathedral Boy's Choir
  by artist: SWR Symphony Orchestra
  by artist: Michael Gielen
  in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
    type: MusicAlbum
    date published: 2017-09-08
  genre: classical
  genre: orchestra
  genre: orchestral
  isrc code: DEA559704544
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 3 in D Minor: I. Kräftig. Entschieden
track: Symphony No. 6 in A Minor "Tragic": I. Allegro energico, ma non troppo. Heftig aber markig
track: Symphony No. 6 in A Minor "Tragic": IV. Finale. Allegro moderato - Allegro energico
track: Symphony No. 7 in E Minor: I. Langsam - Allegro risoluto, ma non troppo
track: Symphony No. 1 in D Major "Titan": III. Feierlich und gemessen, ohne zu schleppen
track: Symphony No. 4 in G Major: III. Ruhevoll. Poco adagio
track: Symphony No. 2 in C Minor "Resurrection": V. Finale. Im tempo des scherzos
track: Symphony No. 2 in C Minor "Resurrection": I. Allegro maestoso
track: Symphony No. 3 in D Minor: VI. Langsam. Ruhevoll. Empfunden

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T14:41:45+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x429ab0a8a540494bb1cfc85c20e570f18d4ceb7e671acc8bc4486b64230768da

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960418

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960418

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559704544

OTSTimestamp
type: PropertyValue
value: 2026-07-31T15:20:15Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x429ab0a8a540494bb1cfc85c20e570f18d4ceb7e671acc8bc4486b64230768da. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559704544 — a six-check JSON result.
date published: 2026-07-31T15:20:15Z

Symphony No. 3 in D Minor: I. Kräftig. Entschieden
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Symphony No. 6 in A Minor "Tragic": I. Allegro energico, ma non troppo. Heftig aber markig
type: MusicRecording
duration: PT25M1S
duration ms: 1501880
explicit: false
by artist: Gustav Mahler
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559906671
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:39:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3e1d4fef7647196216d68870e99d71dcd00f94784a0b378d532a2ec1701b08c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559906671
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e1d4fef7647196216d68870e99d71dcd00f94784a0b378d532a2ec1701b08c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559906671 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 6 in A Minor "Tragic": I. Allegro energico, ma non troppo. Heftig aber markig
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Symphony No. 6 in A Minor "Tragic": IV. Finale. Allegro moderato - Allegro energico
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duration: PT30M40S
duration ms: 1840493
explicit: false
by artist: Gustav Mahler
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559906674
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:55:53+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeac4376834ed1c4bca7aad3e85cd30083ab3af8e9e71599a4d6430cad1f7857. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559906674 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Symphony No. 6 in A Minor "Tragic": IV. Finale. Allegro moderato - Allegro energico
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  additional property: Acousticness
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Symphony No. 7 in E Minor: I. Langsam - Allegro risoluto, ma non troppo
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duration: PT22M1S
duration ms: 1321213
explicit: false
by artist: Gustav Mahler
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559306675
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893b33c4e48a1fe71dbd18dcfea6e9c7a51c82602e3fa8d8dec9c55f5eb2d292. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559306675 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Symphony No. 7 in E Minor: I. Langsam - Allegro risoluto, ma non troppo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Mode Name
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Symphony No. 1 in D Major "Titan": III. Feierlich und gemessen, ohne zu schleppen
type: MusicRecording
duration: PT9M49S
duration ms: 589440
explicit: false
by artist: Gustav Mahler
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA550205853
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:27:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc16d6bbaef534154db9c13bfa12df5158485c97f674361228a145cac44e5cb98
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA550205853
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc16d6bbaef534154db9c13bfa12df5158485c97f674361228a145cac44e5cb98. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA550205853 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 1 in D Major "Titan": III. Feierlich und gemessen, ohne zu schleppen
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 96.836
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.078
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.612
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Symphony No. 4 in G Major: III. Ruhevoll. Poco adagio
type: MusicRecording
duration: PT20M52S
duration ms: 1252413
explicit: false
by artist: Gustav Mahler
by artist: Wolfgang Hock
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA558805490
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:01:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8691087b5659a4e0e2be8a38a9cf191b3a840245c4d3da017ceebe8862a03af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA558805490
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8691087b5659a4e0e2be8a38a9cf191b3a840245c4d3da017ceebe8862a03af. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA558805490 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Symphony No. 4 in G Major: III. Ruhevoll. Poco adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.47
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.093
  additional property: Energy
    type: PropertyValue
    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.109
  additional property: Key Name
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    value: G
  additional property: Mode Name
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Symphony No. 2 in C Minor "Resurrection": V. Finale. Im tempo des scherzos
type: MusicRecording
duration: PT35M30S
duration ms: 2130160
explicit: false
by artist: Gustav Mahler
by artist: Juliane Banse
by artist: Cornelia Kallisch
by artist: Europe Choir Academy
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559606684
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:32:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa456c182c2a3ede6fda09c61ef85fb343a9bd97cb1df1b29b25d0d89de4af446
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606684
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa456c182c2a3ede6fda09c61ef85fb343a9bd97cb1df1b29b25d0d89de4af446. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606684 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 2 in C Minor "Resurrection": V. Finale. Im tempo des scherzos
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.08
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.404
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Symphony No. 2 in C Minor "Resurrection": I. Allegro maestoso
type: MusicRecording
duration: PT22M26S
duration ms: 1346093
explicit: false
by artist: Gustav Mahler
by artist: Europe Choir Academy
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559606680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:09:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55fd22726ae8455ac93d4069c261d083d21e38e6d1db1c4f2d28765b6896f152
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606680
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fd22726ae8455ac93d4069c261d083d21e38e6d1db1c4f2d28765b6896f152. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559606680 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 2 in C Minor "Resurrection": I. Allegro maestoso
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.106
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.174
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Symphony No. 3 in D Minor: VI. Langsam. Ruhevoll. Empfunden
type: MusicRecording
duration: PT24M27S
duration ms: 1467906
explicit: false
by artist: Gustav Mahler
by artist: Franck Pulcini
by artist: Europe Choir Academy
by artist: Freiburg Cathedral Boy's Choir
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: Michael Gielen Edition, Vol. 6: Mahler Symphonies & Orchestral Song Cycles (Recorded 1988-2014)
  type: MusicAlbum
  date published: 2017-09-08
genre: classical
genre: orchestra
genre: orchestral
isrc code: DEA559704549
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:30:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x960880d3897123ffd89fe0075aa56abee53c9057e2a810a796a94bc593f64b51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559704549
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x960880d3897123ffd89fe0075aa56abee53c9057e2a810a796a94bc593f64b51. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559704549 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 3 in D Minor: VI. Langsam. Ruhevoll. Empfunden
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 106.229
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Mozart: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr) [Live]
type: MusicAlbum
date published: 2021-11-05
track: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): I. Introitus. Requiem aeternam [Live]
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265117
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Genia Kühmeier
  by artist: Bavarian Radio Chorus
  by artist: Bavarian Radio Symphony Orchestra
  by artist: Mariss Jansons
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    type: MusicAlbum
    date published: 2021-11-05
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: DELW72111701
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960191
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72111701
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T01:51:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96881a31d60a434892ca669c86f3107bceecf94dbc966cbdc0daec970196fcd7. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72111701 — a six-check JSON result.
    date published: 2026-07-30T01:51:26Z
  audio: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): I. Introitus. Requiem aeternam [Live]
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  genre: classical-era
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T15:20:15Z
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  by artist: Wolfgang Amadeus Mozart
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  by artist: Bavarian Radio Symphony Orchestra
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  genre: classical
  genre: classical-era
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  genre: opera
  genre: chamber-music
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  subject of: OpenTimestamps Proof of Existence
  audio: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIa. Dies irae [Live]
track: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIb. Tuba mirum [Live]
track: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIf. Lacrimosa [Live]

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f62ac94ecf3d26fb9a8ee6f1d289fc447ea2d2eabc3061d9b2132d3b670bf6. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72111703 — a six-check JSON result.
date published: 2026-07-07T16:43:08Z

Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIa. Dies irae [Live]
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additional property: Key Name
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Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIb. Tuba mirum [Live]
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by artist: Wolfgang Amadeus Mozart
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by artist: Adam Plachetka
by artist: Bavarian Radio Symphony Orchestra
by artist: Mariss Jansons
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  date published: 2021-11-05
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIb. Tuba mirum [Live]
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Requiem in D Minor, K. 626 "Missa pro defunctis" (Completed by F.X. Süßmayr): IIIf. Lacrimosa [Live]
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by artist: Wolfgang Amadeus Mozart
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Mariss Jansons
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  date published: 2021-11-05
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27e7891d548289480776c8890b2f051edc43e8ee53f74bd72423262a570ce460. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72111708 — a six-check JSON result.
  date published: 2026-08-01T00:40:43Z
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Sommer: Orchestral Songs
type: MusicAlbum
date published: 2012-04-03

Mussorgsky Dis-Covered
type: MusicAlbum
date published: 2010-05-18

LISZT - ROOTS & ROUTES
type: MusicAlbum
date published: 2011-10-12

Beethoven: Missa solemnis, Op. 123
type: MusicAlbum
date published: 2015-06-02

Mahler: Symphony No. 2 in C Minor "Resurrection" (Live)
type: MusicAlbum
date published: 2019-11-01

Beethoven: Missa Solemnis in D Major, Op. 123/IV. Sanctus/Sanctus
type: MusicAlbum
date published: 2016-05-20